<template>
  <el-dropdown
    trigger="click"
    class="international"
    @command="handleSetLanguage"
  >
    <div>
      <svg-icon icon-class="language" class-name="international" />
    </div>
    <el-dropdown-menu slot="dropdown">
      <el-dropdown-item
        :disabled="language==='zh'"
        command="zh"
      >
        中文
      </el-dropdown-item>
      <el-dropdown-item
        :disabled="language==='en'"
        command="en"
      >
        English
      </el-dropdown-item>
      <el-dropdown-item
        :disabled="language==='ja'"
        command="ja"
      >
        日本語
      </el-dropdown-item>
    </el-dropdown-menu>
  </el-dropdown>
</template>

<script>
import settings from '@/settings'
export default {
  name: 'LangSelect',
  computed: {
    language() {
      return this.$store.getters.language
    }
  },
  methods: {
    handleSetLanguage(lang) {
      this.$i18n.locale = lang
      this.$store.dispatch('app/setLanguage', lang)
      document.documentElement.lang = lang
      const title = this.$route.meta.title ? `${this.$t(`route.${this.$route.meta.title}`)} - ${settings.title}` : `${settings.title}`
      document.title = title
    }
  }
}
</script>
